Staging: android: add binder driver

It builds, but not as a module, and with lots of warnings.

I also had to fix up a few syntax errors to get it to build
properly, I'm doubting that anyone has built it in a while :(

Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Brian Swetland <swetland@google.com>
Cc: Robert Love <rlove@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>